The Circulatory System Part 2: Blood Vessels
9:59
YouTubeProfessor Dave Explains
The Circulatory System Part 2: Blood Vessels
Now that we understand the structure and function of the heart, which is to pump blood all around the body, what is the blood traveling around in exactly? Those would be blood vessels. There are many kinds, like arteries, arterioles, capillaries, venules, and veins, and they all have a few differences. Let's zoom in on each of these now! Watch ...
409.1K viewsApr 11, 2019
Velocity of Blood Flow Explained
Blood flow The velocity v of blood that flows in a bloodvessel with radius R and length l at a distance r from the central axis is v(r)=(P)/(4 ηl)(R^2-r^2) where P is the pressure difference between the ends of the vessel and ηis the viscosity of the blood (see Example 3.3 .9 ). Find the average velocity (with respect to r ) over the interval 0⩽r ⩽R . Compare the average velocity with the maximum velocity. | Numerade
Blood flow The velocity v of blood that flows in a bloodvessel with radius R and length l at a distance r from the central axis is v(r)=(P)/(4 ηl)(R^2-r^2) where P is the pressure difference between the ends of the vessel and ηis the viscosity of the blood (see Example 3.3 .9 ). Find the average velocity (with respect to r ) over the interval 0⩽r ⩽R . Compare the average velocity with the maximum velocity. | Numerade
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